Flowmasters VS. Straights
I have flowmasters now and was wondering if I will get anymore performancce out of straight pipes. Second how does it sound?
------------------
99 F-150 Sport XLT Black x-cab 4.6L auto 3.55
K&N filter and dual series 40 flowmasters
------------------
99 F-150 Sport XLT Black x-cab 4.6L auto 3.55
K&N filter and dual series 40 flowmasters


